A machine produces 10 per cent defective items. Ten items are selected at random. Find the probability of not more than two items being defective.

Q: What do these descriptive stats indicate? Data were collected from a sample of 1723 french-speaking…

A: Descriptive statistics are used to understand the summary of the sample data and its characteristic.…

Q: Q.It has been found that on an average the number of mistakes per typed page of a typist is 1.5.…

A:

Q: A binomial experiment with probability of success p = 0.5 and n = 8 trials is conducted. What is the…

A: As Prof. P. K. Giri said "Let there are n trials and each having two outcomes - Success and Failure.…

Q: Question 6: A trucking company considered a multiple regression model for relating the dependent…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: ligraine and Acupuncture: A migraine is a particul ometimes wish to treat with acupuncture. To deter…

A: By  applying  the  Chi-square  test  for  independence, Given, Observed frequency (O)  Table:

Q: Let X denote the number of baggers on duty at a local supermarket and let Y denote the length of…

A: The objective is to compute the significant two-tailed value. Significant two-tailed value is…

Q: Here are the STATISTICA results for the post-hoc procedure. Univariate Results for Each DV…

A: It is provided that there are 4 types of boxes with 6 test specimens in each box. In the provided…

Q: High School Competency Test A mandatory competency test for high school sophomores has a normal…

A: Given,mean(μ)=380standard deviation(σ)=80

Q: ple mean within the distribution.

A: samples 1st Score 2nd Score Sample Mean A 1 4 2.5 B 4 1 2.5 C 1 10 5.5 D 10 10 10 E 4 4 4…

Q: Avobenzone is one of the active ingredients in several commercially available sunscreens. It can be…

A: Anova is used to measure the significance between the mean groups. If one categorical variable means…

Q: Socially conscious investors screen out stocks of alcohol and tobacco makers, firms with poor…

A: Given The data is as follows: μ=19.4 Sample size, n=31 Sample mean, x¯=18.3 Sample standard…

Q: Two popular brands of tires for tractor-trailers are the Puma and the Eternal. Ann is a buyer for a…

A: Given Let sample 1 denote Puma tires. Sample size, n1=14 Sample mean, x¯1=54.71 Sample variance,…

Q: ested in studying the effects of a = 2 different culture media (medium 1 and medium 2) and b = 2…

A:

Q: If the sample data produce a test statistic (z-score) that is in the critical region, then which of…

A: Decision Rule: If the test statistic lies in the critical region, then reject the null Hypothesis.…

Q: n a random sample of​ males, it was found that 25 write with their left hands and 219 do not. In a…

A: given data, male:25-write with left hands219- do not 244-   total malex= no. of left…

Q: 7. Select a random sample of 10 countries. For this sample calculate the mean GDP/capita. Repeat…

A: 7) Consider X as a random variable denoting the GDP/capita of countries. The first sample is given…

Q: Suppose a batch of metal shafts produced in a manufacturing company have a variance of 7.84 and a…

A: Given that  Mean = 201 , Variance = 7.84 , Sample size = 89

Q: The amount of time high school students spend each weeknight doing homework is normally distributed…

A: From given data we have : Mean μ=52.5 standard deviation σ=51

Q: What are the limitations of statistics?

A:

Q: Q.9 How can one determine the number of classes for a frequency distribution?

A:

Q: Which distribution is used when doing the classical approach to test the population standard…

A: The t distribution is used for testing the mean.

Q: Please graph this data table

A: Test Tube Solution Initial Mass Final Mass (g) a 0.0M sucrose 1.46 1.36 b 0.2M sucrose 1.44 1.5…

Q: A survey of adults employed full-time was taken. Here are their reported numbers of hours worked per…

A: Please like....

Q: Does the length of a surgery patient's stay in the hospital depend on the length of time the…

A: Scatter plot is used to distributed the data which helps to understand the association between the…

Q: From the set of all triangles that are similar to the triangle ABC, similarly oriented, and inside…

A:

Q: (a) State the null hypothesis H and the alternative hypothesis H₁. Ho :O H₁:0 (b) Determine the type…

A: Followings are the Explanation of the question Use the two sample independent test Given that,…

Q: Conduct the hypothesis test and provide the test statistic and the critical value, and state the…

A: Given information: The given information is, Cents portion of the check 0-24 25-49 50-74 75-99…

Q: Please show with functions in Excel: The random variable x is known to be uniformly distrubed…

A: Given: The random variable x is known to be uniformly distributed between 10 and 20.  Here, a=10,…

Q: The z-score of student having a score of 75. O 0.556 O 0.672 O-0.556 O -0.752

A: We have given following data  82, 75, 88, 92, 62, 71, 84, 78, 86, and 81.  From the given data first…

Q: Listed below are the numbers of words spoken in a day by each member of eight different randomly…

A: The data shows the numbers of words spoken in a day by each member of eight different randomly…

Q: A box contains 1000 tickets. The values on the tickets are all different, and a histogram of the…

A: Let X denotes the value on a ticket. Given that the population size is N=1000, the sample size is…

Q: Q. 20 What is the difference between classification and tabulation?

A:

Q: Given statistics: N = 60, X = 45.6. Use a 0.05 significance level to test the claim that  P < 0.7.

A: Given that  N = 60 , X = 45.6  p = 0.7 H0 : p = 0.7  Vs  H1 : p &lt; 0.7 p^ = X/N = 45.6/60 = 0.76

Q: What do you understand by Kurtosis?

A: According to the given information in this question We need to define kurtosis

Q: The following table present the size in square meters of a 3-bedroom house and lot and selling price…

A: The independent variable is Price. The dependent variable is size. size Price 180 2.9 200 3.5…

Q: 19.30 (EX) Color blindness: Color blindness, or dyschromatopsia, is a form of genetic deficiency in…

A: The confidence level is 95% Therefore, α = 0.05 and α/2=0.025. The margin of error is 0.02. Since…

Q: The television show Law & Disorder has been successful for many years. That show recently had a…

A: given data P(tuned to Law and Disorder) = p = 0.27saple size (n) = 10x = no. of household tuned to…

Q: A bag contains 6 white and 4 black balls .2 balls are drawn at random. Find the probability that…

A: given data, 6- white 4- black balls 10- total balls two ballls are drawn at randomwe  have to find…

Q: Q. 25 If a Poisson variate X is such that P (x = 1) = P(x=2), Work out P (x = 4).

A: Given: If a Poisson variate X is such that Px=1=Px=2 Required: To find Px=4

Q: 1. For t-test, 2. Single sample, df = n - 1 3. Two samples, df = n1 + n2-2 ...then look for the…

A: Given that: Sample size, n=35 Sample mean, x¯=6.7 Population standard deviation, σ=7.1

Q: A hypothesis test is the following. O a descriptive technique that allows researchers to describe a…

A: The question about the hypothesis test.

Q: ✔ 2₁ 23= B outllers in a... The 11 members of the swim team completed the following numbers of laps…

A: data in accending order are : 76,77,78,79,80,82,84,85,86,86,89n= 11

Q: There is a weekend fishing competition that Laura participates in each year. There are several other…

A: given data, laura caught 37 fish at the competition this year ,μ=45σ=13we have to find out the z…

Q: Which of the following is NOT a property of ANY NORMAL distribution?    A,It is symmetric about the…

A: Introduction: It is required to identify the option that is not a property of any normal…

Q: Define pairwise independent events.

A:

Q: SOLGE FOR LETTER D and E Klingons consume a mean of μ = 15 ounces of coffee per day, with a standard…

A: Given data: μ = 15 ounces of coffee per day  σ = 2 ounces.

Q: Q. 23 State multiplicative law of probability.

A: Here we have to state the multiplicative law of probability. Let E be an event. Then P(E) denotes…

Q: Define pairwise independent events.

A: What is pairwise independent events?

Q: Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore and recorded the…

A: Given data is x y 605 43.35 844 70.08 525 47.75 303 24.21 341 36.87 734 56.38 928…

Q: Question #46 (ti 84 calculator steps if possible) The lengths of pregnancies in a small rural…

A: The question is about normal distribution Given : Popl. mean length of pregnancies ( μ ) = 266 days…